Broadband Data and Mapping: Background 
May 19, 2021 
May 19, 2021 
and Issues for the 117th Congress 
Colby Leigh Rachfal 
Access to high-speed internet service, also known as broadband, is increasingly important in the 
Access to high-speed internet service, also known as broadband, is increasingly important in the 
Analyst in 
Analyst in 
21st century, as more aspects of everyday life, such as job applications, bank transactions, and 
21st century, as more aspects of everyday life, such as job applications, bank transactions, and 
Telecommunications 
Telecommunications 
homework assignments, are completed online. Broadband is provided by a variety of 
homework assignments, are completed online. Broadband is provided by a variety of 
Policy 
Policy 
technologies (e.g., cable, telephone wire, fiber, satellite, and mobile and fixed wireless) that give 
technologies (e.g., cable, telephone wire, fiber, satellite, and mobile and fixed wireless) that give 
  
  
users the ability to send and receive data at volumes and speeds that support data-intensive 
users the ability to send and receive data at volumes and speeds that support data-intensive 
activities such as voice communications, streaming audio and video, telemedicine, distance activities such as voice communications, streaming audio and video, telemedicine, distance 
 
 
education, and telework. 
education, and telework. 
Broadband technologies are currently being deployed, primarily by the private sector, throughout the United States. Some 
Broadband technologies are currently being deployed, primarily by the private sector, throughout the United States. Some 
areas of the United States—particularly rural and tribal areas, but also some urban areas—have limited or no access to areas of the United States—particularly rural and tribal areas, but also some urban areas—have limited or no access to 
broadband due to geographic and socio-economic factors. The gap between those who have access to broadband and those broadband due to geographic and socio-economic factors. The gap between those who have access to broadband and those 
who do not is referred to as the who do not is referred to as the 
digital divide. Some policymakers, believing that disparities in broadband access across . Some policymakers, believing that disparities in broadband access across 
American society could have adverse economic and social consequences on those left behind, assert that the federal American society could have adverse economic and social consequences on those left behind, assert that the federal 
government should play a more active role to address the digital divide in broadband access, particularly in light of the government should play a more active role to address the digital divide in broadband access, particularly in light of the 
Coronavirus Disease 2019 (COVID-19) pandemic, which further revealed discrepancies in broadband availability and Coronavirus Disease 2019 (COVID-19) pandemic, which further revealed discrepancies in broadband availability and 
accessibility. accessibility. 
Since 2018, the FCC has had the primary responsibility for developing a comprehensive map of broadband access in the 
Since 2018, the FCC has had the primary responsibility for developing a comprehensive map of broadband access in the 
United States. The data available to determine where to invest resources may be incomplete or inaccurate. For example, the United States. The data available to determine where to invest resources may be incomplete or inaccurate. For example, the 
FCC’s current methodology considers a census block served if at least one home or business in that census block has FCC’s current methodology considers a census block served if at least one home or business in that census block has 
broadband access. In addition, the data is self-reported by broadband service providers. Though the main responsibility for broadband access. In addition, the data is self-reported by broadband service providers. Though the main responsibility for 
mapping broadband availability lies with the FCC, Congress has provided funding to the National Telecommunications and mapping broadband availability lies with the FCC, Congress has provided funding to the National Telecommunications and 
Information Administration (NTIA) to develop a National Broadband Availability Map to help augment the FCC’s mapping Information Administration (NTIA) to develop a National Broadband Availability Map to help augment the FCC’s mapping 
data. As of May 11, 2021, the National Broadband Availability Map includes 36 states (data from June 2020).  data. As of May 11, 2021, the National Broadband Availability Map includes 36 states (data from June 2020).  
There is sustained congressional interest in increasing the accuracy of broadband data and mapping. Accurate maps help 
There is sustained congressional interest in increasing the accuracy of broadband data and mapping. Accurate maps help 
policymakers to make informed decisions about where federal funds should be directed and enable federal agencies to fulfill policymakers to make informed decisions about where federal funds should be directed and enable federal agencies to fulfill 
certain statutory requirements, such as the FCC’s annual “reasonable and timely deployment” determination, as required by certain statutory requirements, such as the FCC’s annual “reasonable and timely deployment” determination, as required by 
the Telecommunications Act of 1996 (P.L. 104-104). In response to congressional interest, the FCC adopted a the Telecommunications Act of 1996 (P.L. 104-104). In response to congressional interest, the FCC adopted a 
Report and 
Order in August 2019 introducing a new process for collecting fixed broadband data, called the Digital Opportunity Data  in August 2019 introducing a new process for collecting fixed broadband data, called the Digital Opportunity Data 
Collection (DODC). On March 23, 2020, Congress enacted the Broadband Deployment Accuracy and Technological Collection (DODC). On March 23, 2020, Congress enacted the Broadband Deployment Accuracy and Technological 
Availability Act or the Broadband DATA Act (P.L. 116-130), which requires the FCC to change the way broadband data is Availability Act or the Broadband DATA Act (P.L. 116-130), which requires the FCC to change the way broadband data is 
collected, verified, and reported, and codifies many components of the FCC’s DODC. collected, verified, and reported, and codifies many components of the FCC’s DODC. 
As the FCC implements the Broadband DATA Act, Congress has a wide variety of options for oversight and legislation. For 
As the FCC implements the Broadband DATA Act, Congress has a wide variety of options for oversight and legislation. For 
example, Congress may continue to consider issues such as the optimal level of data granularity and whether the example, Congress may continue to consider issues such as the optimal level of data granularity and whether the 
incorporation of additional variables into the map may be beneficial for policymakers. To assist with future federal action, incorporation of additional variables into the map may be beneficial for policymakers. To assist with future federal action, 
Congress may take into consideration state broadband mapping efforts, which could provide additional insight into models Congress may take into consideration state broadband mapping efforts, which could provide additional insight into models 
that could be replicated on a national scale. that could be replicated on a national scale. 
Congress may consider whether federal funding for broadband expansion should be withheld until new maps are established, 
Congress may consider whether federal funding for broadband expansion should be withheld until new maps are established, 
or whether to continue addressing the digital divide––especially in light of the COVID-19 pandemic—using current maps or whether to continue addressing the digital divide––especially in light of the COVID-19 pandemic—using current maps 
while more accurate ones are being developed. Congress may also consider whether the FCC’s Fixed Broadband Deployment while more accurate ones are being developed. Congress may also consider whether the FCC’s Fixed Broadband Deployment 
Map should be updated more frequently than every six months so that data reflects continuing network changes and, if so, Map should be updated more frequently than every six months so that data reflects continuing network changes and, if so, 
whether that would impose a significant reporting burden on broadband service providers. As the new data collection efforts whether that would impose a significant reporting burden on broadband service providers. As the new data collection efforts 
progress, Congress may consider how much in additional appropriations might be required to establish the maps and sustain progress, Congress may consider how much in additional appropriations might be required to establish the maps and sustain 
the mapping efforts annually.  the mapping efforts annually.  
Bills addressing some of these broadband mapping issues have been introduced in the 117th Congress, including the 
Bills addressing some of these broadband mapping issues have been introduced in the 117th Congress, including the 
Broadband—Measuring Availability and Aligning Policies Task Force Act (H.R. 1044), introduced in the House on February Broadband—Measuring Availability and Aligning Policies Task Force Act (H.R. 1044), introduced in the House on February 
15, 2021, and the Data Mapping to Save Moms’ Lives Act15, 2021, and the Data Mapping to Save Moms’ Lives Act
 (S. 198/H.R. 1218), introduced in the Senate on February 3, 2021, (S. 198/H.R. 1218), introduced in the Senate on February 3, 2021, 
and in the House on February 23, 2021.and in the House on February 23, 2021.
 
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Broadband Data and Mapping: Background and Issues for the 117th Congress 
 
Contents 
Introduction ..................................................................................................................................... 1 
Broadband Defined .......................................................................................................................... 1 
The Urban/Rural Digital Divide ...................................................................................................... 2 
Federal Agency Roles in Broadband Mapping ................................................................................ 3 
U.S. Department of Agriculture ................................................................................................ 3 
National Telecommunications and Information Administration ............................................... 4 
Federal Communications Commission ..................................................................................... 5 
Form 477 Fixed Broadband Data Methodology ................................................................. 5 
Form 477 Mobile Broadband Data Methodology ............................................................... 6 
Digital Opportunity Data Collection and the Broadband DATA Act .................................. 6 
Implementation of the Broadband DATA Act ..................................................................... 7 
Why Broadband Mapping Accuracy Matters .................................................................................. 7 
Directing Federal Assistance ..................................................................................................... 8 
Reasonable and Timely Deployment Determination................................................................. 9 
Broadband Mapping Challenges and Criticisms ........................................................................... 10 
Data Granularity ...................................................................................................................... 10 
Overstated Availability ............................................................................................................ 10 
Lack of Validation and Challenge Process ............................................................................... 11 
Real-Time Deployments .......................................................................................................... 11 
Policy Issues for Congress............................................................................................................. 12 
Granularity and Inclusion of Additional Data Variables ......................................................... 12 
Withholding Federal Funds Until New Maps Are Released ................................................... 13 
Funding for Sustainability of Broadband Mapping ................................................................. 14 
Frequency of Updates ............................................................................................................. 14 
Concluding Observations .............................................................................................................. 14 
 
 
Tables 
Table 1. FCC Broadband Definitions over Time ............................................................................. 2 
    
Contacts 
Author Information ........................................................................................................................ 15 
  
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Broadband Data and Mapping: Background and Issues for the 117th Congress 
 
Introduction 
Mapping broadband availability,1 which means graphically displaying where broadband is and is Mapping broadband availability,1 which means graphically displaying where broadband is and is 
not available on a map, is complex and depends on data—with the accuracy of the map not available on a map, is complex and depends on data—with the accuracy of the map 
depending on the accuracy of the data used to compose the map. Congress has an interest in depending on the accuracy of the data used to compose the map. Congress has an interest in 
accurate broadband mapping data, because accurate data can help ensure that federal programs accurate broadband mapping data, because accurate data can help ensure that federal programs 
that finance broadband deployment target areas of the country that are most in need of assistance. that finance broadband deployment target areas of the country that are most in need of assistance. 
The Telecommunications Act of 1996 (P.L. 104-104) requires the Federal Communications The Telecommunications Act of 1996 (P.L. 104-104) requires the Federal Communications 
Commission (FCC) to determine annually whether broadband is being deployed to all Americans Commission (FCC) to determine annually whether broadband is being deployed to all Americans 
on a timely basis, and the FCC relies on broadband mapping data to make this determination. on a timely basis, and the FCC relies on broadband mapping data to make this determination. 
Additionally, the FCC uses broadband mapping data to direct billions of dollars per year to Additionally, the FCC uses broadband mapping data to direct billions of dollars per year to 
deploy broadband in unserved or underserved areas. Congress has also taken an interest in deploy broadband in unserved or underserved areas. Congress has also taken an interest in 
broadband mapping due to concerns from constituents that certain areas, especially rural areas, broadband mapping due to concerns from constituents that certain areas, especially rural areas, 
remain underserved or unserved. remain underserved or unserved. 
Pinpointing where broadband is and is not available in the United States has been an ongoing 
Pinpointing where broadband is and is not available in the United States has been an ongoing 
challenge. Current data on broadband availability is provided by private telecommunications challenge. Current data on broadband availability is provided by private telecommunications 
providers, collected by the FCC, and displayed on the FCC’s Fixed Broadband Deployment providers, collected by the FCC, and displayed on the FCC’s Fixed Broadband Deployment 
Map.2 Difficulty in accurately mapping broadband availability has been attributed to a number of Map.2 Difficulty in accurately mapping broadband availability has been attributed to a number of 
factors, including the potential inadequacy of census block data, the lack of independent data factors, including the potential inadequacy of census block data, the lack of independent data 
validation outside the FCC, and the absence of a challenge process for consumers and other validation outside the FCC, and the absence of a challenge process for consumers and other 
entities that believe the Fixed Broadband Deployment Map may overstate availability in their entities that believe the Fixed Broadband Deployment Map may overstate availability in their 
areas. In early 2019, it came to the FCC’s attention that inaccuracies in the Fixed Broadband areas. In early 2019, it came to the FCC’s attention that inaccuracies in the Fixed Broadband 
Deployment Map’s data may cause broadband deployment to be overstated, possibly indicating Deployment Map’s data may cause broadband deployment to be overstated, possibly indicating 
that areas have access to broadband when, in reality, they do not. Inaccurate data on broadband that areas have access to broadband when, in reality, they do not. Inaccurate data on broadband 
deployment could lead to overbuilding in areas that currently have broadband while leaving other deployment could lead to overbuilding in areas that currently have broadband while leaving other 
areas underserved or unserved.  areas underserved or unserved.  
On March 23, 2020, the Broadband Deployment Accuracy and Technological Availability Act or 
On March 23, 2020, the Broadband Deployment Accuracy and Technological Availability Act or 
Broadband DATA Act (P.L. 116-130) was enacted, which requires the FCC to change the way Broadband DATA Act (P.L. 116-130) was enacted, which requires the FCC to change the way 
broadband data is collected, verified, and reported. Congress may consider oversight of FCC broadband data is collected, verified, and reported. Congress may consider oversight of FCC 
efforts to implement the provisions of the Broadband DATA Act and whether additional efforts to implement the provisions of the Broadband DATA Act and whether additional 
legislative actions related to broadband mapping might be necessary. legislative actions related to broadband mapping might be necessary. 
Broadband Defined 
The term The term 
broadband commonly refers to high-speed internet access that is faster than dial-up  commonly refers to high-speed internet access that is faster than dial-up 
access. Broadband includes several high-speed transmission technologies, such as: access. Broadband includes several high-speed transmission technologies, such as: 
  digital subscriber line (DSL), 
  digital subscriber line (DSL), 
  cable modem,   cable modem, 
  fiber,   fiber, 
  wireless,   wireless, 
  satellite, and   satellite, and 
                                                 
                                                 
1 1 
Broadband availability refers to whether or not broadband service is offered, while  refers to whether or not broadband service is offered, while 
broadband adoption refers to the  refers to the 
extent to which American households actually subscribe to and use broadband.  extent to which American households actually subscribe to and use broadband.  
2 Federal Communications Commission, 
2 Federal Communications Commission, 
Fixed Broadband Deployment, available at https://broadbandmap.fcc.gov/. , available at https://broadbandmap.fcc.gov/. 
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Broadband Data and Mapping: Background and Issues for the 117th Congress 
 
  broadband over power lines (BPL).3 
  broadband over power lines (BPL).3 
The internet became publicly available in the 1990s and has evolved since that time as more 
The internet became publicly available in the 1990s and has evolved since that time as more 
information has become digital (e.g., many job applications and government forms have moved information has become digital (e.g., many job applications and government forms have moved 
online). However, not all Americans currently have access to broadband.  online). However, not all Americans currently have access to broadband.  
As methods to access the internet have evolved, so have speeds, with the FCC’s current 
As methods to access the internet have evolved, so have speeds, with the FCC’s current 
broadband benchmark speed set at 25 megabits per second (Mbps) download and 3 Mbps upload broadband benchmark speed set at 25 megabits per second (Mbps) download and 3 Mbps upload 
(25/3)(25/3)
. Table 1 shows how the FCC’s broadband definition has changed from what was initially shows how the FCC’s broadband definition has changed from what was initially 
adopted in 1996 to its current definition, which was adopted in 2015.  adopted in 1996 to its current definition, which was adopted in 2015.  
Table 1. FCC Broadband Definitions over Time 
Year Adopted 
Minimum Download 
Minimum Upload 
1996 
1996 
200 Kbps 
200 Kbps 
200 Kbps 
200 Kbps 
2010 
2010 
4 Mbps 
4 Mbps 
1 Mbps 
1 Mbps 
2015 
2015 
25 Mbps 
25 Mbps 
3 Mbps 
3 Mbps 
Source: Jameson Zimmer, “FCC Broadband Definition Has Changed Before and Wil  Change Again,” Jameson Zimmer, “FCC Broadband Definition Has Changed Before and Wil  Change Again,” 
BroadbandNow, February 10, 2018, available at https://broadbandnow.com/report/fcc-broadband-definition/. BroadbandNow, February 10, 2018, available at https://broadbandnow.com/report/fcc-broadband-definition/. 
Notes: Mbps means megabits per second and  means megabits per second and 
Kbps means kilobits per second.  means kilobits per second. 
The Urban/Rural Digital Divide 
The term The term 
digital divide refers to a gap between those Americans who use or have access to  refers to a gap between those Americans who use or have access to 
telecommunications and information technologies and those who do not.4 While broadband telecommunications and information technologies and those who do not.4 While broadband 
service providers continue to make progress in expanding high-speed broadband service, service providers continue to make progress in expanding high-speed broadband service, 
according to the FCC the rate of broadband deployment in urban areas has outpaced deployment according to the FCC the rate of broadband deployment in urban areas has outpaced deployment 
in rural and tribal areas.5 Broadband is deployed primarily by the private sector. The in rural and tribal areas.5 Broadband is deployed primarily by the private sector. The 
comparatively lower population density of rural and tribal areas and, in some cases, difficult comparatively lower population density of rural and tribal areas and, in some cases, difficult 
topography contributes to lower broadband penetration rates relative to more highly populated topography contributes to lower broadband penetration rates relative to more highly populated 
urban and suburban areas. Particularly for wireline broadband technologies—such as cable urban and suburban areas. Particularly for wireline broadband technologies—such as cable 
modem and fiber optic cable—greater geographical distance between customers in sparsely modem and fiber optic cable—greater geographical distance between customers in sparsely 
populated areas results in the inability to spread infrastructure costs over a larger subscriber base. populated areas results in the inability to spread infrastructure costs over a larger subscriber base. 
Thus, there is often less incentive for companies to invest in broadband in rural areas than in Thus, there is often less incentive for companies to invest in broadband in rural areas than in 
urban areas. The primary goal of broadband mapping is to identify areas without access to urban areas. The primary goal of broadband mapping is to identify areas without access to 
broadband so that policymakers can make informed decisions on policies to address the broadband so that policymakers can make informed decisions on policies to address the 
urban/rural digital divide. urban/rural digital divide. 
                                                 
                                                 
3 DSL uses copper telephone wires. Cable modem uses coaxial cables—the same used for cable television. Fiber uses 3 DSL uses copper telephone wires. Cable modem uses coaxial cables—the same used for cable television. Fiber uses 
pulses of light shot by lasers through thin strands of glass. Wireless uses a radio connection between the consumer and pulses of light shot by lasers through thin strands of glass. Wireless uses a radio connection between the consumer and 
the service provider’s terrestrial antennae. Satellite uses a radio connection to a space-based antenna. BPL uses power the service provider’s terrestrial antennae. Satellite uses a radio connection to a space-based antenna. BPL uses power 
lines to deliver broadband to consumers. For further information, see Federal Communications Commission, lines to deliver broadband to consumers. For further information, see Federal Communications Commission, 
Types of 
Broadband Connections, June 23, 2014, available at https://www.fcc.gov/general/types-broadband-connections.  , June 23, 2014, available at https://www.fcc.gov/general/types-broadband-connections.  
4 For more information on the digital divide, see CRS Report R46613, 
4 For more information on the digital divide, see CRS Report R46613, 
The Digital Divide: What Is It, Where Is It, and 
Federal Assistance Programs, by Colby Leigh Rachfal. , by Colby Leigh Rachfal. 
5 Federal Communications Commission, 
5 Federal Communications Commission, 
Fourteenth Broadband Deployment Report, January 19, 2021, p. 4, available , January 19, 2021, p. 4, available 
at https://docs.fcc.gov/public/attachments/FCC-21-18A1.pdf. at https://docs.fcc.gov/public/attachments/FCC-21-18A1.pdf. 
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Federal Agency Roles in Broadband Mapping 
The major federal agencies involved in broadband mapping are the U.S. Department of The major federal agencies involved in broadband mapping are the U.S. Department of 
Agriculture (USDA), the National Telecommunications and Information Administration (NTIA) Agriculture (USDA), the National Telecommunications and Information Administration (NTIA) 
in the Department of Commerce, and the FCC. Though the main responsibility for mapping in the Department of Commerce, and the FCC. Though the main responsibility for mapping 
broadband availability lies with the FCC, Congress has provided funding to NTIA to help broadband availability lies with the FCC, Congress has provided funding to NTIA to help 
augment the FCC’s data in identifying regions with insufficient broadband service. Additionally, augment the FCC’s data in identifying regions with insufficient broadband service. Additionally, 
the USDA manages multiple maps that depict eligibility for their federal broadband programs to the USDA manages multiple maps that depict eligibility for their federal broadband programs to 
help determine where to direct federal resources. help determine where to direct federal resources. 
U.S. Department of Agriculture 
USDA’s Rural Utilities Service (RUS) oversees federal programs that fund the deployment of USDA’s Rural Utilities Service (RUS) oversees federal programs that fund the deployment of 
broadband infrastructure. To help determine where to direct federal resources, RUS manages broadband infrastructure. To help determine where to direct federal resources, RUS manages 
multiple maps that show data related to RUS broadband program eligibility. For example, RUS’ multiple maps that show data related to RUS broadband program eligibility. For example, RUS’ 
Broadband Program Mapping Tool is used by: Broadband Program Mapping Tool is used by: 
  existing borrowers or those interested in applying for funding under the 
  existing borrowers or those interested in applying for funding under the 
Infrastructure Loan Program, Broadband Access Loan and Loan Guarantee 
Infrastructure Loan Program, Broadband Access Loan and Loan Guarantee 
Program, or Community Connect Grant Program, enabling them to draw existing Program, or Community Connect Grant Program, enabling them to draw existing 
or proposed service area maps;  or proposed service area maps;  
  RUS to post Public Notices of proposed funded service areas for pending loan 
  RUS to post Public Notices of proposed funded service areas for pending loan 
applications, as well as by existing service providers to submit information on 
applications, as well as by existing service providers to submit information on 
their service offerings; their service offerings; 
  other entities that wish to upload an authenticated map of existing broadband 
  other entities that wish to upload an authenticated map of existing broadband 
services.6 
services.6 
RUS’ other mapping tools show the locations of RUS-financed broadband projects.7 For example, 
RUS’ other mapping tools show the locations of RUS-financed broadband projects.7 For example, 
RUS developed the ReConnect Program Eligibility Area Map to assist in the determination of RUS developed the ReConnect Program Eligibility Area Map to assist in the determination of 
service area eligibility for the ReConnect Program across the United States. Congress established service area eligibility for the ReConnect Program across the United States. Congress established 
the ReConnect Program––which provides loan and grant funding to eligible entities to deploy the ReConnect Program––which provides loan and grant funding to eligible entities to deploy 
broadband internet service in eligible rural areas––under the Consolidated Appropriations Act, broadband internet service in eligible rural areas––under the Consolidated Appropriations Act, 
2018 (P.L. 115-141).8 The ReConnect Program Eligibility Area Map displays categories of data 2018 (P.L. 115-141).8 The ReConnect Program Eligibility Area Map displays categories of data 
including the FCC’s Connect America Fund winners, nonrural areas, pending applications, and including the FCC’s Connect America Fund winners, nonrural areas, pending applications, and 
protected broadband borrower service areas.9 protected broadband borrower service areas.9 
                                                 
                                                 
6 U.S. Department of Agriculture, 6 U.S. Department of Agriculture, 
Broadband Program Mapping Tool, available at , available at 
https://broadbandsearch.sc.egov.usda.gov/. https://broadbandsearch.sc.egov.usda.gov/. 
7 See U.S. Department of Agriculture, 
7 See U.S. Department of Agriculture, 
Telecom Maps, available at https://www.rd.usda.gov/programs-services/all-, available at https://www.rd.usda.gov/programs-services/all-
programs/telecommunications-programs/telecom-maps; U.S. Department of Agriculture, programs/telecommunications-programs/telecom-maps; U.S. Department of Agriculture, 
ReConnect Program 
Eligibility Area Map, available at https://www.usda.gov/reconnect.  , available at https://www.usda.gov/reconnect.  
8 For more information on the ReConnect Program, see CRS In Focus IF11262, 
8 For more information on the ReConnect Program, see CRS In Focus IF11262, 
USDA’s ReConnect Broadband Pilot 
Program, by Alyssa R. Casey.  , by Alyssa R. Casey.  
9 Rural Utilities Service, 
9 Rural Utilities Service, 
Broadband Pilot (ReConnect) Program, 84 , 84 
Federal Register 14911, April 12, 2019, available  14911, April 12, 2019, available 
at https://www.federalregister.gov/documents/2019/04/12/2019-07345/broadband-pilot-reconnect-program. at https://www.federalregister.gov/documents/2019/04/12/2019-07345/broadband-pilot-reconnect-program. 
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National Telecommunications and Information Administration 
The Broadband Data Improvement Act (P.L. 110-385), enacted on October 10, 2008, directed the The Broadband Data Improvement Act (P.L. 110-385), enacted on October 10, 2008, directed the 
Department of Commerce to establish a state broadband data and development grant program.10 Department of Commerce to establish a state broadband data and development grant program.10 
This program, known as the State Broadband Initiative (SBI), was administered by NTIA, an This program, known as the State Broadband Initiative (SBI), was administered by NTIA, an 
agency in the Department of Commerce, and funded under the American Recovery and agency in the Department of Commerce, and funded under the American Recovery and 
Reinvestment Act of 2009 (P.L. 111-5). One of the purposes of the program was to assist states in Reinvestment Act of 2009 (P.L. 111-5). One of the purposes of the program was to assist states in 
gathering data twice a year on the availability, speed, and location of broadband service as well as gathering data twice a year on the availability, speed, and location of broadband service as well as 
on the broadband services used by community institutions, such as schools, libraries, and on the broadband services used by community institutions, such as schools, libraries, and 
hospitals. This data was used to establish the National Broadband Map, the first public, hospitals. This data was used to establish the National Broadband Map, the first public, 
searchable, nationwide map of broadband availability, which was launched in 2011.11  searchable, nationwide map of broadband availability, which was launched in 2011.11  
Through the SBI program, NTIA awarded a total of $293 million to 56 grantees—one from each 
Through the SBI program, NTIA awarded a total of $293 million to 56 grantees—one from each 
of the 50 states, five territories, and the District of Columbia. The grantees were required to use of the 50 states, five territories, and the District of Columbia. The grantees were required to use 
the funds to promote broadband adoption and access tailored to their local needs and to collect the funds to promote broadband adoption and access tailored to their local needs and to collect 
broadband-related data and provide it to NTIA. The SBI program collected its final data as of broadband-related data and provide it to NTIA. The SBI program collected its final data as of 
June 30, 2014, and in 2015, the program ended.  June 30, 2014, and in 2015, the program ended.  
In the Consolidated Appropriations Act of 2018 (P.L. 115-141), Congress provided $7.5 million to 
In the Consolidated Appropriations Act of 2018 (P.L. 115-141), Congress provided $7.5 million to 
NTIA to develop a National Broadband Availability Map. Specifically, Congress directed NTIA NTIA to develop a National Broadband Availability Map. Specifically, Congress directed NTIA 
to acquire and display available third-party data sets to augment data from the FCC, other federal to acquire and display available third-party data sets to augment data from the FCC, other federal 
government agencies, state governments, and the private sector. The stated objective of this government agencies, state governments, and the private sector. The stated objective of this 
funding was “to help identify regions with insufficient service, especially in rural areas.”12  funding was “to help identify regions with insufficient service, especially in rural areas.”12  
In response, NTIA announced in February 2019 it had partnered with eight states—California, 
In response, NTIA announced in February 2019 it had partnered with eight states—California, 
Maine, Massachusetts, Minnesota, North Carolina, Tennessee, Utah, and West Virginia—for a Maine, Massachusetts, Minnesota, North Carolina, Tennessee, Utah, and West Virginia—for a 
pilot to improve the FCC’s Fixed Broadband Deployment Map. The first phase of NTIA’s new pilot to improve the FCC’s Fixed Broadband Deployment Map. The first phase of NTIA’s new 
National Broadband Availability Map was published in October 2019. It is available only to state National Broadband Availability Map was published in October 2019. It is available only to state 
and federal partners due to the inclusion of nonpublic data, which may be business sensitive or and federal partners due to the inclusion of nonpublic data, which may be business sensitive or 
have other restrictions that prevent public disclosure.13 As of May 11, 2021, the National have other restrictions that prevent public disclosure.13 As of May 11, 2021, the National 
Broadband Availability Map includes 36 states.14  Broadband Availability Map includes 36 states.14  
                                                 
                                                 
10 P.L. 110-385 directed, but did not authorize appropriations for, the establishment of a state broadband data and 10 P.L. 110-385 directed, but did not authorize appropriations for, the establishment of a state broadband data and 
development grant program. development grant program. 
11 National Telecommunications and Information Administration, 
11 National Telecommunications and Information Administration, 
State Broadband Initiative, available at , available at 
https://www2.ntia.doc.gov/SBDD. https://www2.ntia.doc.gov/SBDD. 
12  “Joint Explanatory Statement,” 
12  “Joint Explanatory Statement,” 
Congressional Record, vol. 164, part 50—Book II (March 22, 2018), pp. H2084-, vol. 164, part 50—Book II (March 22, 2018), pp. H2084-
H2085. H2085. 
13 National Telecommunications and Information Administration, 
13 National Telecommunications and Information Administration, 
National Broadband Availability Map, October 2, , October 2, 
2019, available at https://broadbandusa.ntia.doc.gov/map. 2019, available at https://broadbandusa.ntia.doc.gov/map. 
14 These states include Alaska, Arizona, California, Colorado, Connecticut, Florida, Georgia, Hawaii, Idaho, Illinois, 
14 These states include Alaska, Arizona, California, Colorado, Connecticut, Florida, Georgia, Hawaii, Idaho, Illinois, 
Kansas, Indiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Kansas, Indiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, 
New Hampshire, New Mexico, New York, North Carolina, Oklahoma, Oregon, South Dakota, Tennessee, Utah, New Hampshire, New Mexico, New York, North Carolina, Oklahoma, Oregon, South Dakota, Tennessee, Utah, 
Vermont, Virginia, Washington, West Virginia, Wisconsin, and Wyoming. For more information see BroadbandUSA, Vermont, Virginia, Washington, West Virginia, Wisconsin, and Wyoming. For more information see BroadbandUSA, 
NTIA’s NBAM Reaches 36 State Milestone, May 11, 2021, available at https://broadbandusa.ntia.doc.gov/node/7413. , May 11, 2021, available at https://broadbandusa.ntia.doc.gov/node/7413. 
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Federal Communications Commission 
In 2000, the FCC established the Form 477 Data Program to collect from providers “data In 2000, the FCC established the Form 477 Data Program to collect from providers “data 
regarding broadband services, local telephone service competition, and mobile telephony services regarding broadband services, local telephone service competition, and mobile telephony services 
on a single form and in a standardized manner.”15  on a single form and in a standardized manner.”15  
The FCC collects data on both fixed and mobile broadband availability through Form 477. It does 
The FCC collects data on both fixed and mobile broadband availability through Form 477. It does 
not combine the two sets of data into a single map; rather, it uses the fixed data to create the Fixed not combine the two sets of data into a single map; rather, it uses the fixed data to create the Fixed 
Deployment Broadband Map, and it has used the mobile broadband data to determine which areas Deployment Broadband Map, and it has used the mobile broadband data to determine which areas 
were eligible for the Mobility Fund Phase II program (see were eligible for the Mobility Fund Phase II program (see 
“Directing Federal Assistance” below).  below). 
Form 477 Fixed Broadband Data Methodology 
Every six months, all facilities-based providers16 of fixed broadband are required to submit a list 
Every six months, all facilities-based providers16 of fixed broadband are required to submit a list 
of all census blocks where they provide, or could provide, fixed broadband service to at least one of all census blocks where they provide, or could provide, fixed broadband service to at least one 
location. For each census block, the provider is required to submit data specifying the last-mile location. For each census block, the provider is required to submit data specifying the last-mile 
technology used;17 whether the provider can or does offer consumer, mass market, or residential technology used;17 whether the provider can or does offer consumer, mass market, or residential 
service; the maximum advertised download and upload speeds for consumer service; and whether service; the maximum advertised download and upload speeds for consumer service; and whether 
the service is also available for business, enterprise, or government customers.18 the service is also available for business, enterprise, or government customers.18 
In 2017, the FCC acknowledged some shortcomings of this methodology: 
In 2017, the FCC acknowledged some shortcomings of this methodology: 
Facilities-based providers of fixed broadband must provide in their Form 477 submissions 
Facilities-based providers of fixed broadband must provide in their Form 477 submissions 
a list of all census blocks where they make broadband connections available to end-user a list of all census blocks where they make broadband connections available to end-user 
premises, along with the last-mile technology or technologies used. These deployment data premises, along with the last-mile technology or technologies used. These deployment data 
represent the areas where a provider does, or could, without an extraordinary commitment represent the areas where a provider does, or could, without an extraordinary commitment 
of  resources,  provide  service.  Thus,  the  meaning  of  “availability”  in  each  listed  census of  resources,  provide  service.  Thus,  the  meaning  of  “availability”  in  each  listed  census 
block can be multifaceted, even within the data of a single filer. In a particular listed block, block can be multifaceted, even within the data of a single filer. In a particular listed block, 
the provider may have subscribers or it may not. At the same time, the provider may be the provider may have subscribers or it may not. At the same time, the provider may be 
able to take on additional subscribers or it may not. The various combinations have varying able to take on additional subscribers or it may not. The various combinations have varying 
implications that make it difficult to understand availability. Specifically, if a block was implications that make it difficult to understand availability. Specifically, if a block was 
listed by a provider, it is impossible to tell whether residents of that block seeking service listed by a provider, it is impossible to tell whether residents of that block seeking service 
could turn to that provider for service or whether the provider would be unable or unwilling could turn to that provider for service or whether the provider would be unable or unwilling 
to  take  on  additional  subscribers.  This  may  limit  the  value  of  these  data  to  inform  our to  take  on  additional  subscribers.  This  may  limit  the  value  of  these  data  to  inform  our 
policymaking  and  as  a  tool  for  consumers  and  businesses  to  determine  the  universe  of policymaking  and  as  a  tool  for  consumers  and  businesses  to  determine  the  universe  of 
potential broadband service providers at their location.19 potential broadband service providers at their location.19 
                                                 
                                                 
15 Federal Communications Commission, 15 Federal Communications Commission, 
In the Matter of Modernizing the FCC Form 477 Data Program, June 27, , June 27, 
2013, p. 3, available at https://docs.fcc.gov/public/attachments/FCC-13-87A1.doc. 2013, p. 3, available at https://docs.fcc.gov/public/attachments/FCC-13-87A1.doc. 
16 A facilities-based provider is a provider that owns (as opposed to leases) networks used to provide 
16 A facilities-based provider is a provider that owns (as opposed to leases) networks used to provide 
telecommunications services. telecommunications services. 
17 
17 
Last mile refers to the type of connection between a broadband service provider and the consumer (e.g., fiber or  refers to the type of connection between a broadband service provider and the consumer (e.g., fiber or 
cable). cable). 
18 For a more detailed list of the data elements required, see Federal Communications Commission, 
18 For a more detailed list of the data elements required, see Federal Communications Commission, 
Explanation of 
Broadband Deployment Data, May 1, 2019, available at https://www.fcc.gov/general/explanation-broadband-, May 1, 2019, available at https://www.fcc.gov/general/explanation-broadband-
deployment-data. deployment-data. 
19 Federal Communications Commission, 
19 Federal Communications Commission, 
FCC Proposes Improvements to Broadband/Voice Services Data Collection, , 
pp. 11-12, available at https://www.fcc.gov/document/fcc-proposes-improvements-broadbandvoice-services-data-pp. 11-12, available at https://www.fcc.gov/document/fcc-proposes-improvements-broadbandvoice-services-data-
collection-0.  collection-0.  
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Broadband Data and Mapping: Background and Issues for the 117th Congress 
 
Form 477 Mobile Broadband Data Methodology 
The collection of accurate and reliable mobile broadband data is particularly challenging because 
The collection of accurate and reliable mobile broadband data is particularly challenging because 
a user’s mobile wireless experience varies and is affected by factors such as terrain, user location, a user’s mobile wireless experience varies and is affected by factors such as terrain, user location, 
weather, network congestion, and the type of connected service. Under Form 477 filing rules, weather, network congestion, and the type of connected service. Under Form 477 filing rules, 
facilities-based providers of mobile broadband service are required to submit and certify, for each facilities-based providers of mobile broadband service are required to submit and certify, for each 
technology and frequency band employed, polygons in shapefiles20 that digitally represent the technology and frequency band employed, polygons in shapefiles20 that digitally represent the 
geographic areas in which a customer could expect to receive at least the minimum speed the geographic areas in which a customer could expect to receive at least the minimum speed the 
provider advertises for that area. Additionally, mobile broadband providers must report the census provider advertises for that area. Additionally, mobile broadband providers must report the census 
tracts in which their service is advertised and available to potential customers.21 tracts in which their service is advertised and available to potential customers.21 
Digital Opportunity Data Collection and the Broadband DATA Act 
In August 2019, the FCC adopted a 
In August 2019, the FCC adopted a 
Report and Order introducing the Digital Opportunity Data  introducing the Digital Opportunity Data 
Collection (DODC), which is intended to address many of the issues that currently lead to Collection (DODC), which is intended to address many of the issues that currently lead to 
inaccurate broadband mapping data.22 On March 23, 2020, the Broadband Deployment Accuracy inaccurate broadband mapping data.22 On March 23, 2020, the Broadband Deployment Accuracy 
and Technological Availability Act or Broadband DATA Act (P.L. 116-130) was enacted. This law and Technological Availability Act or Broadband DATA Act (P.L. 116-130) was enacted. This law 
requires the FCC to change the way it collects, verifies, and reports broadband data. Specifically, requires the FCC to change the way it collects, verifies, and reports broadband data. Specifically, 
the act directs the FCC to: the act directs the FCC to: 
  Collect and disseminate granular broadband service availability data from wired, fixed-
  Collect and disseminate granular broadband service availability data from wired, fixed-
wireless, satellite, and mobile broadband providers. To do this, the FCC is required to 
wireless, satellite, and mobile broadband providers. To do this, the FCC is required to 
establish the Broadband Serviceable Location Fabric (a dataset of geocoded information establish the Broadband Serviceable Location Fabric (a dataset of geocoded information 
for all broadband service locations, atop which broadband maps are overlaid) as the for all broadband service locations, atop which broadband maps are overlaid) as the 
vehicle for reporting broadband service availability data. vehicle for reporting broadband service availability data. 
  Put forth specified requirements for service availability data collected from broadband 
  Put forth specified requirements for service availability data collected from broadband 
providers, and create a process to enable the submission of independent data to challenge 
providers, and create a process to enable the submission of independent data to challenge 
the accuracy of FCC broadband maps. the accuracy of FCC broadband maps. 
  Conduct regular audits of information submitted by telecommunications providers, and 
  Conduct regular audits of information submitted by telecommunications providers, and 
develop a process whereby entities or individuals may submit information about the 
develop a process whereby entities or individuals may submit information about the 
deployment and availability of broadband service to verify and supplement information deployment and availability of broadband service to verify and supplement information 
submitted by providers.  submitted by providers.  
  Provide data collection and submission assistance to Indian tribes; small service 
  Provide data collection and submission assistance to Indian tribes; small service 
providers; consumers; and state, local, and tribal governments. 
providers; consumers; and state, local, and tribal governments. 
The Broadband DATA Act codifies many––but not all––aspects of the DODC. For example, the 
The Broadband DATA Act codifies many––but not all––aspects of the DODC. For example, the 
DODC proposed to have the Universal Service Administrative Company (USAC)23 create and DODC proposed to have the Universal Service Administrative Company (USAC)23 create and 
manage a challenge portal that will allow individual consumers, as well as state, local, and tribal manage a challenge portal that will allow individual consumers, as well as state, local, and tribal                                                                                                   
20 Shapefiles are a data storage format for recording data associated with particular geographic locations. A polygon in 20 Shapefiles are a data storage format for recording data associated with particular geographic locations. A polygon in 
a shapefile indicates the boundaries of the geographical area to which a particular set of data applies. For more a shapefile indicates the boundaries of the geographical area to which a particular set of data applies. For more 
information on how the FCC uses polygons in shapefiles for mobile broadband mapping, see Federal Communications information on how the FCC uses polygons in shapefiles for mobile broadband mapping, see Federal Communications 
Commission, Commission, 
Mobile Broadband Deployment, June 23, 2014, available at https://transition.fcc.gov/form477/MBD/, June 23, 2014, available at https://transition.fcc.gov/form477/MBD/
definitions_mbd.pdf.  definitions_mbd.pdf.  
21 Federal Communications Commission, 
21 Federal Communications Commission, 
FCC Proposes Improvements to Broadband/Voice Services Data Collection, , 
August 4, 2017, p. 2, available at https://www.fcc.gov/document/fcc-proposes-improvements-broadbandvoice-services-August 4, 2017, p. 2, available at https://www.fcc.gov/document/fcc-proposes-improvements-broadbandvoice-services-
data-collection-0. data-collection-0. 
22 Federal Communications Commission, 
22 Federal Communications Commission, 
Digital Opportunity Data Collection (DODC), available at , available at 
https://www.fcc.gov/digital-opportunity-data-collection-dodc. See also https://www.fcc.gov/digital-opportunity-data-collection-dodc. See also 
“Broadband Mapping Challenges and 
Criticisms” section in this report.  section in this report. 
23 USAC is an independent not-for-profit designated by the FCC to administer the Universal Service Fund. 
23 USAC is an independent not-for-profit designated by the FCC to administer the Universal Service Fund. 
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government entities to submit input on the accuracy of the data on the public fixed broadband 
government entities to submit input on the accuracy of the data on the public fixed broadband 
availability map. The act prohibits the FCC from delegating mapping responsibilities to USAC.  availability map. The act prohibits the FCC from delegating mapping responsibilities to USAC.  
In a July 16, 2020, statement, FCC Chairman Ajit Pai stated that funding from Congress is needed 
In a July 16, 2020, statement, FCC Chairman Ajit Pai stated that funding from Congress is needed 
to implement requirements in the Broadband DATA Act.24 On December 27, 2020, the to implement requirements in the Broadband DATA Act.24 On December 27, 2020, the 
Consolidated Appropriations Act, 2021 (CAA 2021; P.L. 116-260), appropriated $98 million for Consolidated Appropriations Act, 2021 (CAA 2021; P.L. 116-260), appropriated $98 million for 
this purpose. this purpose. 
Implementation of the Broadband DATA Act 
With the appropriation of funds in the CAA 2021, the FCC has moved forward with preliminary 
With the appropriation of funds in the CAA 2021, the FCC has moved forward with preliminary 
initiatives to implement the provisions within the act. Some of these initiatives include: initiatives to implement the provisions within the act. Some of these initiatives include: 
  On January 13, 2021, the FCC adopted rules to specify which fixed and mobile 
  On January 13, 2021, the FCC adopted rules to specify which fixed and mobile 
broadband service providers are required to report availability and/or coverage 
broadband service providers are required to report availability and/or coverage 
data; requirements for reporting speed and latency for fixed technologies; and a data; requirements for reporting speed and latency for fixed technologies; and a 
requirement for fixed broadband providers to report whether broadband services requirement for fixed broadband providers to report whether broadband services 
are offered to residential and/or business customers.25 are offered to residential and/or business customers.25 
  On February 17, 2021, the FCC announced the establishment of a Broadband 
  On February 17, 2021, the FCC announced the establishment of a Broadband 
Data Task Force dedicated to implementing improvements to the broadband data 
Data Task Force dedicated to implementing improvements to the broadband data 
and mapping tools.26  and mapping tools.26  
  On March 8, 2021, the FCC issued a Request for Information to start the 
  On March 8, 2021, the FCC issued a Request for Information to start the 
contracting process for the creation of the Broadband Serviceable Location 
contracting process for the creation of the Broadband Serviceable Location 
Fabric.27 Fabric.27 
  On March 22, 2021, the FCC announced a new outreach effort to collect 
  On March 22, 2021, the FCC announced a new outreach effort to collect 
consumer broadband availability experiences.28  
consumer broadband availability experiences.28  
In the FCC February 2021 Open Commission Meeting, the FCC indicated the new broadband 
In the FCC February 2021 Open Commission Meeting, the FCC indicated the new broadband 
maps may not be ready until 2022.29 maps may not be ready until 2022.29 
Why Broadband Mapping Accuracy Matters 
Accurate broadband data and mapping helps policymakers to make informed decisions about Accurate broadband data and mapping helps policymakers to make informed decisions about 
where federal funding should be directed––such as with Phase II of the FCC’s Rural Digital where federal funding should be directed––such as with Phase II of the FCC’s Rural Digital 
Opportunity Fund and 5G for Rural America Fund––and enables federal agencies to fulfill certain Opportunity Fund and 5G for Rural America Fund––and enables federal agencies to fulfill certain 
                                                 
                                                 
24 Federal Communications Commission, 24 Federal Communications Commission, 
Pai Statement:  FCC Improves Broadband Data and Maps to Bridge the 
Digital Divide, press release, July 16, 2020, available at https://www.fcc.gov/document/fcc-improves-broadband-data-, press release, July 16, 2020, available at https://www.fcc.gov/document/fcc-improves-broadband-data-
and-maps-bridge-digital-divide/pai-statement. and-maps-bridge-digital-divide/pai-statement. 
25 Federal Communications Commission, 
25 Federal Communications Commission, 
FCC Takes Next Step to Collect More Precise Broadband Mapping Data, , 
January 19, 2021, available at https://www.fcc.gov/document/fcc-takes-next-step-collect-more-precise-broadband-January 19, 2021, available at https://www.fcc.gov/document/fcc-takes-next-step-collect-more-precise-broadband-
mapping-data. mapping-data. 
26 Federal Communications Commission, 
26 Federal Communications Commission, 
Rosenworcel Establishes Broadband Data Task Force, February 17, 2021, , February 17, 2021, 
available at https://www.fcc.gov/document/rosenworcel-establishes-broadband-data-task-force. available at https://www.fcc.gov/document/rosenworcel-establishes-broadband-data-task-force. 
27 Federal Communications Commission, 
27 Federal Communications Commission, 
A Running Start on New Broadband Maps, March 16, 2021, available at , March 16, 2021, available at 
https://www.fcc.gov/news-events/notes/2021/03/16/running-start-new-broadband-maps. https://www.fcc.gov/news-events/notes/2021/03/16/running-start-new-broadband-maps. 
28 Federal Communications Commission, 
28 Federal Communications Commission, 
FCC Announces New Outreach To Collect Consumer Broadband Availability 
Experiences, March 22, 2021, available at https://docs.fcc.gov/public/attachments/DOC-370978A1.pdf. , March 22, 2021, available at https://docs.fcc.gov/public/attachments/DOC-370978A1.pdf. 
29 Federal Communications Commission, 
29 Federal Communications Commission, 
February 2021 Open Commission Meeting, February 17, 2021, available at , February 17, 2021, available at 
https://www.fcc.gov/news-events/events/2021/02/february-2021-open-commission-meeting. https://www.fcc.gov/news-events/events/2021/02/february-2021-open-commission-meeting. 
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statutory requirements, such as the FCC’s annual “reasonable and timely deployment” 
statutory requirements, such as the FCC’s annual “reasonable and timely deployment” 
determination. determination. 
Directing Federal Assistance 
Accurate maps are important in federal funding decisions designed to target areas where Accurate maps are important in federal funding decisions designed to target areas where 
broadband is needed the most. Without accurate data, maps may not be reliable indicators of broadband is needed the most. Without accurate data, maps may not be reliable indicators of 
need, and federal assistance may be provided to areas that already have adequate broadband need, and federal assistance may be provided to areas that already have adequate broadband 
services. This may result in overbuild in some areas and neglect of other areas, further widening services. This may result in overbuild in some areas and neglect of other areas, further widening 
the disparities between areas that are served and those that are not.  the disparities between areas that are served and those that are not.  
Whether the current FCC broadband map was granular enough to direct federal assistance was an 
Whether the current FCC broadband map was granular enough to direct federal assistance was an 
issue of disagreement between FCC Commissioners for the FCC’s Rural Digital Opportunity issue of disagreement between FCC Commissioners for the FCC’s Rural Digital Opportunity 
Fund (RDOF).30 Through RDOF, the FCC plans to commit $20.4 billion to bring high-speed Fund (RDOF).30 Through RDOF, the FCC plans to commit $20.4 billion to bring high-speed 
fixed broadband service to rural homes and small businesses in two phases. For Phase I, the FCC fixed broadband service to rural homes and small businesses in two phases. For Phase I, the FCC 
used its current, less granular broadband map data to determine the wholly unserved areas eligible used its current, less granular broadband map data to determine the wholly unserved areas eligible 
for the auction.31 In the January 30, 2020, RDOF Report and Order, former FCC Commissioner for the auction.31 In the January 30, 2020, RDOF Report and Order, former FCC Commissioner 
and current FCC Acting Chairwoman Jessica Rosenworcel stated, and current FCC Acting Chairwoman Jessica Rosenworcel stated, 
We  need  maps  before  money  and  data  before  deployment.  With  today’s  decision  we 
We  need  maps  before  money  and  data  before  deployment.  With  today’s  decision  we 
commit the vast majority of universal service funds—$16 billion!—for the next ten years commit the vast majority of universal service funds—$16 billion!—for the next ten years 
without first doing anything to improve our maps, survey service accurately, or fix the data without first doing anything to improve our maps, survey service accurately, or fix the data 
disaster we have about the state of service today. That means if your home is marked as disaster we have about the state of service today. That means if your home is marked as 
served by the FCC’s maps today and it is not, then for the next decade you are on your served by the FCC’s maps today and it is not, then for the next decade you are on your 
own. Good luck. It means millions of Americans will slip deeper into the digital divide.32 own. Good luck. It means millions of Americans will slip deeper into the digital divide.32 
Upon adoption of new rules for the DODC on July 16, 2020, FCC Commissioner Brendan Carr 
Upon adoption of new rules for the DODC on July 16, 2020, FCC Commissioner Brendan Carr 
stated stated 
On the bright side, our  Form  477 data are good at identifying areas that are completely 
On the bright side, our  Form  477 data are good at identifying areas that are completely 
unserved. And that’s why I am glad the FCC is moving ahead with Phase I of the Rural unserved. And that’s why I am glad the FCC is moving ahead with Phase I of the Rural 
Digital Opportunity Fund, which can ensure that Americans living in those unserved areas Digital Opportunity Fund, which can ensure that Americans living in those unserved areas 
need not wait any longer than necessary to receive high-speed service.33 need not wait any longer than necessary to receive high-speed service.33 
The Phase I auction began on October 29, 2020, and the FCC announced the results on December 
The Phase I auction began on October 29, 2020, and the FCC announced the results on December 
7, 2020—180 bidders won $9.2 billion to deploy high-speed broadband to over 5.2 million 7, 2020—180 bidders won $9.2 billion to deploy high-speed broadband to over 5.2 million 
unserved homes and businesses.34 On May 6, 2021, the advocacy group Competitive Carriers unserved homes and businesses.34 On May 6, 2021, the advocacy group Competitive Carriers 
Association (CCA) submitted a letter to the FCC regarding an analysis CCA conducted that found Association (CCA) submitted a letter to the FCC regarding an analysis CCA conducted that found 
RDOF awards may go to areas that already have broadband service. CAA stated,  RDOF awards may go to areas that already have broadband service. CAA stated,  
The  premise  of  RDOF  Phase  I  was  to  target  areas  that  the  Commission  “knew  with 
The  premise  of  RDOF  Phase  I  was  to  target  areas  that  the  Commission  “knew  with 
certainty” were “currently unserved,” so the proceeding therefore did not need to await a certainty” were “currently unserved,” so the proceeding therefore did not need to await a 
                                                 
                                                 
30 For more information on RDOF see CRS Report R46501, 30 For more information on RDOF see CRS Report R46501, 
Rural Digital Opportunity Fund: Requirements and 
Selected Policy Issues, by Colby Leigh Rachfal. , by Colby Leigh Rachfal. 
31 For Phase II of RDOF, the FCC plans to use broadband mapping data from the maps required to be established under 
31 For Phase II of RDOF, the FCC plans to use broadband mapping data from the maps required to be established under 
the Broadband Deployment Accuracy and Technological Availability Act (P.L. 116-130). the Broadband Deployment Accuracy and Technological Availability Act (P.L. 116-130). 
32 Federal Communications Commission, 
32 Federal Communications Commission, 
Statement of Commissioner Jessica Rosenworcel, January 30, 2020, p. 2, , January 30, 2020, p. 2, 
available at https://docs.fcc.gov/public/attachments/FCC-20-5A5.pdf. available at https://docs.fcc.gov/public/attachments/FCC-20-5A5.pdf. 
33 Federal Communications Commission, 
33 Federal Communications Commission, 
Statement of Commissioner Brendan Carr, Re: Establishing the Digital , Re: Establishing the Digital 
Opportunity Data Collection, available at https://docs.fcc.gov/public/attachments/FCC-20-94A4.pdf. Opportunity Data Collection, available at https://docs.fcc.gov/public/attachments/FCC-20-94A4.pdf. 
34 Federal Communications Commission, 
34 Federal Communications Commission, 
Successful Rural Digital Opportunity Fund Auction To Expand Broadband 
To Over 10 Million Rural Americans, December 7, 2020, available at https://docs.fcc.gov/public/attachments/DOC-, December 7, 2020, available at https://docs.fcc.gov/public/attachments/DOC-
368588A1.pdf. 368588A1.pdf. 
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new  data  collection  process  to  produce  updated  broadband  maps.  But  the  premise  is 
new  data  collection  process  to  produce  updated  broadband  maps.  But  the  premise  is 
incorrect; deficient mapping means that instead of supporting areas that lack service, the incorrect; deficient mapping means that instead of supporting areas that lack service, the 
Commission’s  RDOF  program  will  subsidize  broadband  deployment  in  areas  that Commission’s  RDOF  program  will  subsidize  broadband  deployment  in  areas  that 
obviously are served—including some of the nation’s wealthiest, most densely populated obviously are served—including some of the nation’s wealthiest, most densely populated 
areas.35 areas.35 
An example of how inaccurate data has affected eligibility for federal assistance occurred in the 
An example of how inaccurate data has affected eligibility for federal assistance occurred in the 
FCC’s Mobility Fund II (MF-II) program, which would have made up to $4.53 billion in support FCC’s Mobility Fund II (MF-II) program, which would have made up to $4.53 billion in support 
available over 10 years to primarily rural areas that lacked unsubsidized 4G Long Term Evolution available over 10 years to primarily rural areas that lacked unsubsidized 4G Long Term Evolution 
(LTE) service. The FCC published initial eligibility maps for MF-II in August 2018 and in (LTE) service. The FCC published initial eligibility maps for MF-II in August 2018 and in 
December 2018, the FCC announced it would launch an investigation into whether one or more December 2018, the FCC announced it would launch an investigation into whether one or more 
major carriers violated the Mobility Fund reverse auction’s mapping rules and submitted incorrect major carriers violated the Mobility Fund reverse auction’s mapping rules and submitted incorrect 
coverage maps.36 In December 2019, the FCC released coverage maps.36 In December 2019, the FCC released 
MF-II Coverage Maps Investigation Staff 
Report, which found that the coverage data submitted by three providers likely overstated actual , which found that the coverage data submitted by three providers likely overstated actual 
coverage in many instances.37 The FCC proposed to both terminate the MF-II challenge process coverage in many instances.37 The FCC proposed to both terminate the MF-II challenge process 
and replace MF-II with the 5G Fund for Rural America, which plans to distribute $9 billion over and replace MF-II with the 5G Fund for Rural America, which plans to distribute $9 billion over 
the next decade to bring 5G wireless broadband connectivity to rural America. The 5G Fund will the next decade to bring 5G wireless broadband connectivity to rural America. The 5G Fund will 
use improved mobile broadband coverage data gathered in the FCC’s Digital Opportunity Data use improved mobile broadband coverage data gathered in the FCC’s Digital Opportunity Data 
Collection proceeding.38 Collection proceeding.38 
Reasonable and Timely Deployment Determination 
The Telecommunications Act of 1996 (P.L. 104-104) requires the FCC to “initiate a notice of The Telecommunications Act of 1996 (P.L. 104-104) requires the FCC to “initiate a notice of 
inquiry concerning the availability of advanced telecommunications capability to all Americans.” inquiry concerning the availability of advanced telecommunications capability to all Americans.” 
In conducting this inquiry, the FCC must “determine whether advanced telecommunications In conducting this inquiry, the FCC must “determine whether advanced telecommunications 
capability is being deployed to all Americans in a reasonable and timely fashion.” If that capability is being deployed to all Americans in a reasonable and timely fashion.” If that 
determination is negative, the commission “shall take immediate action to accelerate deployment determination is negative, the commission “shall take immediate action to accelerate deployment 
of such capability by removing barriers to infrastructure investment and by promoting of such capability by removing barriers to infrastructure investment and by promoting 
competition in the telecommunications market.”39 competition in the telecommunications market.”39 
Using data from Form 477, the FCC develops an annual Broadband Deployment Report, also 
Using data from Form 477, the FCC develops an annual Broadband Deployment Report, also 
referred to as the Section 706 Report, in which the FCC evaluates the availability of fixed and referred to as the Section 706 Report, in which the FCC evaluates the availability of fixed and 
mobile broadband services. In its 2021 analysis, the FCC made a Section 706 finding that mobile broadband services. In its 2021 analysis, the FCC made a Section 706 finding that 
advanced telecommunications capability is being deployed to all Americans in a reasonable and advanced telecommunications capability is being deployed to all Americans in a reasonable and 
timely fashion. This finding was supported by Commissioner Brendan Carr, with Commissioners timely fashion. This finding was supported by Commissioner Brendan Carr, with Commissioners 
Jessica Rosenworcel and Geoffrey Starks dissenting.40 The 2021 report noted, “While some ... Jessica Rosenworcel and Geoffrey Starks dissenting.40 The 2021 report noted, “While some ...                                                                                                   
35 Competitive Carriers Association, Re: Establishing the Digital Opportunity Data Collection, WC Docket No. 19-195; 35 Competitive Carriers Association, Re: Establishing the Digital Opportunity Data Collection, WC Docket No. 19-195; 
Modernizing the FCC Form 477 Data Program, WC Docket No. 11-10; Rural Digital Opportunity Fund (Auction 904), Modernizing the FCC Form 477 Data Program, WC Docket No. 11-10; Rural Digital Opportunity Fund (Auction 904), 
AU Docket No. 20- 34; Rural Digital Opportunity Fund, WC Docket No. 19-126; Connect America Fund, WC Docket AU Docket No. 20- 34; Rural Digital Opportunity Fund, WC Docket No. 19-126; Connect America Fund, WC Docket 
No. 10-90; Telecommunications Carriers Eligible to Receive Universal Service Support, WC Docket No. 09-197, May No. 10-90; Telecommunications Carriers Eligible to Receive Universal Service Support, WC Docket No. 09-197, May 
6, 2021, p. 1, available at https://irp.cdn-website.com/cd1ed710/files/uploaded/6%20May%202021%20CCA%20Ex6, 2021, p. 1, available at https://irp.cdn-website.com/cd1ed710/files/uploaded/6%20May%202021%20CCA%20Ex
%20Parte%20%26%20White%20Paper.pdf. %20Parte%20%26%20White%20Paper.pdf. 
36 Tina Pelkey, 
36 Tina Pelkey, 
FCC Launches Investigation into Potential Violations of Mobility Fund Phase II Mapping Rules, , 
December 7, 2018, available at https://docs.fcc.gov/public/attachments/DOC-355447A1.pdf. December 7, 2018, available at https://docs.fcc.gov/public/attachments/DOC-355447A1.pdf. 
37 Federal Communications Commission, Mobility Fund Phase II (MF-II), May 18, 2020, available at 
37 Federal Communications Commission, Mobility Fund Phase II (MF-II), May 18, 2020, available at 
https://www.fcc.gov/mobility-fund-phase-ii-mf-ii. https://www.fcc.gov/mobility-fund-phase-ii-mf-ii. 
38 Federal Communications Commission, 
38 Federal Communications Commission, 
FCC Establishes 5G Fund for Rural America, October 27, 2020, available at , October 27, 2020, available at 
https://docs.fcc.gov/public/attachments/DOC-367778A1.pdf. https://docs.fcc.gov/public/attachments/DOC-367778A1.pdf. 
39 47 U.S.C. §1302(b). 
39 47 U.S.C. §1302(b). 
40 FCC, 40 FCC, 
Fourteenth Broadband Deployment Report, January 19, 2021, pp. 288-290, available at https://docs.fcc.gov/, January 19, 2021, pp. 288-290, available at https://docs.fcc.gov/
public/attachments/FCC-21-18A1.pdf. public/attachments/FCC-21-18A1.pdf. 
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have criticized the FCC Form 477 data for overstating deployment ... the degree of overstatement 
have criticized the FCC Form 477 data for overstating deployment ... the degree of overstatement 
is proportionately inconsequential to the broader conclusions and trends.”41 is proportionately inconsequential to the broader conclusions and trends.”41 
Broadband Mapping Challenges and Criticisms 
The FCC’s difficulty mapping broadband availability has been attributed to a number of factors, The FCC’s difficulty mapping broadband availability has been attributed to a number of factors, 
including data granularity, overstated availability, lack of a validation and challenge process, and including data granularity, overstated availability, lack of a validation and challenge process, and 
the difficulty of keeping up with real-time deployments.  the difficulty of keeping up with real-time deployments.  
Data Granularity 
The FCC requires each broadband service provider to submit information on the services it offers The FCC requires each broadband service provider to submit information on the services it offers 
at the census block level. Census blocks are the smallest unit of geography defined by the Census at the census block level. Census blocks are the smallest unit of geography defined by the Census 
Bureau and are “statistical areas bounded by visible features, such as streets, roads, streams, and Bureau and are “statistical areas bounded by visible features, such as streets, roads, streams, and 
railroad tracks, and by nonvisible boundaries, such as selected property lines and city, township, railroad tracks, and by nonvisible boundaries, such as selected property lines and city, township, 
school district, and county limits and short line-of-sight extensions and roads.”42 Census blocks school district, and county limits and short line-of-sight extensions and roads.”42 Census blocks 
vary in size and population, and their geographical area can be especially large in some parts of vary in size and population, and their geographical area can be especially large in some parts of 
the United States. For example, according to the U.S. Census Bureau, in remote areas, census the United States. For example, according to the U.S. Census Bureau, in remote areas, census 
blocks may encompass hundreds of square miles.43  blocks may encompass hundreds of square miles.43  
For the purposes of Form 477, the FCC considers a census block served if even one house or 
For the purposes of Form 477, the FCC considers a census block served if even one house or 
business in the block is served. Since some rural census blocks may encompass hundreds of business in the block is served. Since some rural census blocks may encompass hundreds of 
square miles and include geographically dispersed communities or individual residences, the square miles and include geographically dispersed communities or individual residences, the 
availability of service in one part of the census block is less likely to indicate general broadband availability of service in one part of the census block is less likely to indicate general broadband 
availability across the block than in smaller, more densely-populated census blocks.  availability across the block than in smaller, more densely-populated census blocks.  
With the use of census blocks, areas within a large block that might otherwise be eligible for 
With the use of census blocks, areas within a large block that might otherwise be eligible for 
federal assistance may not be considered eligible. The Utah Governor’s Office of Economic federal assistance may not be considered eligible. The Utah Governor’s Office of Economic 
Development told the NTIA: Development told the NTIA: 
Basing  data  collection,  planning  efforts,  and  funding  decisions  on  census  blocks  is 
Basing  data  collection,  planning  efforts,  and  funding  decisions  on  census  blocks  is 
problematic, particularly in blocks which are large, remote, and include terrain that makes problematic, particularly in blocks which are large, remote, and include terrain that makes 
it difficult to install infrastructure. For example, in Utah, the largest populated census block it difficult to install infrastructure. For example, in Utah, the largest populated census block 
is 947 square miles. Under the current Form 477 submission process, any census block that is 947 square miles. Under the current Form 477 submission process, any census block that 
is partially covered would be ineligible for all federal broadband programs, even if only a is partially covered would be ineligible for all federal broadband programs, even if only a 
small percentage of households or census block area is covered.44 small percentage of households or census block area is covered.44 
Overstated Availability 
Although staff examine FCC Form 477 data for quality and consistency, the FCC acknowledges Although staff examine FCC Form 477 data for quality and consistency, the FCC acknowledges 
that the data may understate or overstate deployment of services to the extent that broadband that the data may understate or overstate deployment of services to the extent that broadband 
                                                 
                                                 
41 Ibid., p. 55. 41 Ibid., p. 55. 
42 Federal Communications Commission, 42 Federal Communications Commission, 
More About Census Blocks, March 26, 2015, available at , March 26, 2015, available at 
https://transition.fcc.gov/form477/Geo/more_about_census_blocks.pdf. https://transition.fcc.gov/form477/Geo/more_about_census_blocks.pdf. 
43 U.S. Census Bureau, 
43 U.S. Census Bureau, 
Glossary, September 16, 2019, available at https://www.census.gov/programs-surveys/, September 16, 2019, available at https://www.census.gov/programs-surveys/
geography/about/glossary.html. geography/about/glossary.html. 
44 Kelleigh Cole, “Comments on (NTIA) Docket No. 180427421‐8421‐01, 
44 Kelleigh Cole, “Comments on (NTIA) Docket No. 180427421‐8421‐01, 
Improving the Quality and Accuracy of 
Broadband Availability Data, Utah Governor’s Office of Economic Development, June 18, 2016, pp. 1-2, available at , Utah Governor’s Office of Economic Development, June 18, 2016, pp. 1-2, available at 
https://www.ntia.doc.gov/files/ntia/publications/2018_ntia_mapping_comments_utah.pdf. https://www.ntia.doc.gov/files/ntia/publications/2018_ntia_mapping_comments_utah.pdf. 
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providers misreport or fail to report.45 As an example, on September 2, 2020, the FCC proposed a 
providers misreport or fail to report.45 As an example, on September 2, 2020, the FCC proposed a 
$163,912 fine against broadband service provider Barrier Communications Corporation for $163,912 fine against broadband service provider Barrier Communications Corporation for 
reporting inaccurate information that significantly inflated its broadband subscription numbers, reporting inaccurate information that significantly inflated its broadband subscription numbers, 
failing to file required deployment data, making false statements to Commission investigators, failing to file required deployment data, making false statements to Commission investigators, 
and failing to respond to other inquiries.46  and failing to respond to other inquiries.46  
In April 2019, Microsoft asserted that the percentage of Americans without broadband access is 
In April 2019, Microsoft asserted that the percentage of Americans without broadband access is 
much higher than the figures reported by the FCC. Microsoft claimed that although the FCC much higher than the figures reported by the FCC. Microsoft claimed that although the FCC 
indicates that 24.7 million people do not have broadband available, Microsoft’s own data indicates that 24.7 million people do not have broadband available, Microsoft’s own data 
indicates that 162.8 million people do not use the internet at broadband speeds of 25 Mbps or indicates that 162.8 million people do not use the internet at broadband speeds of 25 Mbps or 
more.47 Microsoft released a map showing differences between the FCC’s claimed broadband more.47 Microsoft released a map showing differences between the FCC’s claimed broadband 
access and actual usage of broadband. NCTA—The Internet and Television Association—access and actual usage of broadband. NCTA—The Internet and Television Association—
criticized this analysis, saying that it “conflates availability and usage” and, as a result, draws “a criticized this analysis, saying that it “conflates availability and usage” and, as a result, draws “a 
number of unsupportable conclusions.”48 number of unsupportable conclusions.”48 
Lack of Validation and Challenge Process 
Broadband service providers self-report information on Form 477. Although the FCC reviews the Broadband service providers self-report information on Form 477. Although the FCC reviews the 
data, it is not verified independently outside of the agency. There is also no challenge process in data, it is not verified independently outside of the agency. There is also no challenge process in 
place if a consumer, provider, or other entity identifies any of the data as potentially inaccurate.  place if a consumer, provider, or other entity identifies any of the data as potentially inaccurate.  
Stakeholders who testified at an April 2019 hearing before the Senate Committee on Commerce, 
Stakeholders who testified at an April 2019 hearing before the Senate Committee on Commerce, 
Science, and Transportation asserted that a challenge process is needed, citing the problems with Science, and Transportation asserted that a challenge process is needed, citing the problems with 
the FCC’s mobility fund auction and how it was difficult for wireless carriers to challenge mobile the FCC’s mobility fund auction and how it was difficult for wireless carriers to challenge mobile 
broadband availability data that the FCC had intended to use as a basis for awarding funding.49 broadband availability data that the FCC had intended to use as a basis for awarding funding.49 
Real-Time Deployments 
The telecommunications industry is fluid––broadband service providers are constantly changing The telecommunications industry is fluid––broadband service providers are constantly changing 
(e.g., through mergers and acquisitions), building new networks, or revising older networks. The (e.g., through mergers and acquisitions), building new networks, or revising older networks. The 
FCC currently updates the Fixed Broadband Deployment Map twice a year, but the map reflects FCC currently updates the Fixed Broadband Deployment Map twice a year, but the map reflects 
data that is approximately a year or more behind the current date––this is likely due to the time it data that is approximately a year or more behind the current date––this is likely due to the time it 
may take for the FCC to process the data it receives from broadband service providers. For may take for the FCC to process the data it receives from broadband service providers. For 
example, as of May 2021, the map reflects June 2020 data.  example, as of May 2021, the map reflects June 2020 data.  
                                                 
                                                 
45 Federal Communications Commission, 45 Federal Communications Commission, 
2019 Broadband Deployment Report, May 8, 2019, p. 12, available at , May 8, 2019, p. 12, available at 
https://docs.fcc.gov/public/attachments/FCC-19-44A1.pdf. https://docs.fcc.gov/public/attachments/FCC-19-44A1.pdf. 
46 Federal Communications Commission, 
46 Federal Communications Commission, 
FCC Proposes to Fine Broadband Provider for Reporting Overstated Service 
Data to Commission, press release, September 2, 2020, p. 1, available at https://docs.fcc.gov/public/attachments/DOC-, press release, September 2, 2020, p. 1, available at https://docs.fcc.gov/public/attachments/DOC-
366634A1.pdf. 366634A1.pdf. 
47 John Kahan, 
47 John Kahan, 
It’s Time for a New Approach for Mapping Broadband Data to Better Serve Americans, Microsoft, , Microsoft, 
April 8, 2019, available at https://blogs.microsoft.com/on-the-issues/2019/04/08/its-time-for-a-new-approach-for-April 8, 2019, available at https://blogs.microsoft.com/on-the-issues/2019/04/08/its-time-for-a-new-approach-for-
mapping-broadband-data-to-better-serve-americans/. mapping-broadband-data-to-better-serve-americans/. 
48 Victor Reklaitis, 
48 Victor Reklaitis, 
It’s Microsoft vs. Comcast in Infrastructure Push to Expand Rural Broadband, Market Watch, May , Market Watch, May 
20, 2019, available at https://www.marketwatch.com/story/its-microsoft-vs-comcast-in-infrastructure-push-to-expand-20, 2019, available at https://www.marketwatch.com/story/its-microsoft-vs-comcast-in-infrastructure-push-to-expand-
rural-broadband-2019-05-06. rural-broadband-2019-05-06. 
49 U.S. Congress, Senate Committee on Commerce, Science, and Transportation, 
49 U.S. Congress, Senate Committee on Commerce, Science, and Transportation, 
Broadband Mapping: Challenges and 
Solutions, testimony of Tim Donovan, SVP, Legislative Affairs, Competitive Carriers Association, 116th Cong., April , testimony of Tim Donovan, SVP, Legislative Affairs, Competitive Carriers Association, 116th Cong., April 
10, 2019, available at https://www.commerce.senate.gov/public/_cache/files/335dcd54-07d6-4140-a286-0b59f6527f6b/10, 2019, available at https://www.commerce.senate.gov/public/_cache/files/335dcd54-07d6-4140-a286-0b59f6527f6b/
C2717D2DE1A24F364CAC37068A0EF5CE.04-10-19donovan-testimony.pdf. C2717D2DE1A24F364CAC37068A0EF5CE.04-10-19donovan-testimony.pdf. 
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For the Digital Opportunity Data Collection, the Broadband DATA Act requires the FCC to 
For the Digital Opportunity Data Collection, the Broadband DATA Act requires the FCC to 
update the broadband maps at least every six months,50 as well as with any updates or corrections, update the broadband maps at least every six months,50 as well as with any updates or corrections, 
to meet the Broadband DATA Act’s requirement to use the most recent data collected from to meet the Broadband DATA Act’s requirement to use the most recent data collected from 
providers. To achieve this, the FCC is to direct its Office of Economics and Analytics to update providers. To achieve this, the FCC is to direct its Office of Economics and Analytics to update 
the maps as quickly as possible after the filing deadlines of March 1 and September 1 each year the maps as quickly as possible after the filing deadlines of March 1 and September 1 each year 
and to update the maps continually based on the outcomes of challenges, investigations, and and to update the maps continually based on the outcomes of challenges, investigations, and 
inquiries, including those informed by crowdsourced data as that information becomes inquiries, including those informed by crowdsourced data as that information becomes 
available.51 Using the most recent data available and updating the maps as quickly as possible available.51 Using the most recent data available and updating the maps as quickly as possible 
may help to address the issue of older data being displayed on the map. However, the map will may help to address the issue of older data being displayed on the map. However, the map will 
likely not reflect real-time broadband deployments, and the data may not be as accurate as likely not reflect real-time broadband deployments, and the data may not be as accurate as 
possible, since broadband service could have been deployed or improved since the most recent possible, since broadband service could have been deployed or improved since the most recent 
data was submitted and mapped. data was submitted and mapped. 
Policy Issues for Congress 
As Congress continues to contemplate broadband mapping, it may consider:  As Congress continues to contemplate broadband mapping, it may consider:  
  the optimal level of data granularity and potential inclusion of additional data 
  the optimal level of data granularity and potential inclusion of additional data 
variables; 
variables; 
  whether to withhold federal funding for broadband until the new maps are 
  whether to withhold federal funding for broadband until the new maps are 
released; 
released; 
  funding for sustainability of the Broadband DATA Act; and  
  funding for sustainability of the Broadband DATA Act; and  
  frequency of updates.   frequency of updates. 
Granularity and Inclusion of Additional Data Variables 
The Broadband DATA Act addresses the issue of granularity and requires the development and The Broadband DATA Act addresses the issue of granularity and requires the development and 
use of a Broadband Serviceable Location Fabric, which would include precise coordinates of all use of a Broadband Serviceable Location Fabric, which would include precise coordinates of all 
structures that have broadband. There are, however, additional questions Congress may consider structures that have broadband. There are, however, additional questions Congress may consider 
to ensure that broadband maps are regularly produced at the appropriate granularity and include to ensure that broadband maps are regularly produced at the appropriate granularity and include 
information that best inform policy decisions. Collecting and including additional data information that best inform policy decisions. Collecting and including additional data 
variables—for example, data on broadband adoption or broadband subscription pricing––could variables—for example, data on broadband adoption or broadband subscription pricing––could 
further assist policymakers in addressing the digital divide. As an example, the Data Mapping to further assist policymakers in addressing the digital divide. As an example, the Data Mapping to 
Save Moms’ Lives Act (S. 198/H.R. 1218 ), introduced in the Senate on February 3, 2021, and in Save Moms’ Lives Act (S. 198/H.R. 1218 ), introduced in the Senate on February 3, 2021, and in 
the House on February 23, 2021, would require the Federal Communications Commission to the House on February 23, 2021, would require the Federal Communications Commission to 
incorporate data on maternal health outcomes into its broadband health maps. Some state incorporate data on maternal health outcomes into its broadband health maps. Some state 
broadband offices collect and include variables in their maps that are not in the FCC’s Fixed broadband offices collect and include variables in their maps that are not in the FCC’s Fixed 
Broadband Deployment Map that could serve as models for federal mapping efforts. For Broadband Deployment Map that could serve as models for federal mapping efforts. For 
example: example: 
  Kansas’ map shows service availability at the street level for broadband across 
  Kansas’ map shows service availability at the street level for broadband across 
the state.52  
the state.52  
                                                 
                                                 
50 The FCC’s Second Report and Order and Third Further Notice of Proposed Rulemaking states, “we establish a 50 The FCC’s Second Report and Order and Third Further Notice of Proposed Rulemaking states, “we establish a 
biannual schedule for collection of broadband Internet access service availability and quality of service data. For this biannual schedule for collection of broadband Internet access service availability and quality of service data. For this 
purpose, we establish filing deadlines of March 1 and September 1 each year.” purpose, we establish filing deadlines of March 1 and September 1 each year.” 
51 Federal Communications Commission, 
51 Federal Communications Commission, 
Second Report and Order and Third Further Notice of Proposed Rulemaking, , 
July 16, 2020, p. 34, available at https://docs.fcc.gov/public/attachments/FCC-20-94A1.pdf. July 16, 2020, p. 34, available at https://docs.fcc.gov/public/attachments/FCC-20-94A1.pdf. 
52 ArcGIS, 
52 ArcGIS, 
The Kansas Broadband Map, published July 31, 2019, available at https://www.arcgis.com/apps/, published July 31, 2019, available at https://www.arcgis.com/apps/
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  North Carolina has developed multiple broadband maps; among them is a map to 
  North Carolina has developed multiple broadband maps; among them is a map to 
identify areas that are eligible for various grant programs aimed at expanding 
identify areas that are eligible for various grant programs aimed at expanding 
broadband access across the state.53  broadband access across the state.53  
  Hawaii’s map is populated with consumer-reported information on a home’s 
  Hawaii’s map is populated with consumer-reported information on a home’s 
wired (i.e., cable, DSL, fiber) internet speeds.54 
wired (i.e., cable, DSL, fiber) internet speeds.54 
Should Congress consider the inclusion of additional variables in the FCC’s Fixed Broadband 
Should Congress consider the inclusion of additional variables in the FCC’s Fixed Broadband 
Deployment Map, the potential benefits and burdens of gathering and providing additional data Deployment Map, the potential benefits and burdens of gathering and providing additional data 
could be assessed through a targeted pilot program. could be assessed through a targeted pilot program. 
Withholding Federal Funds Until New Maps Are Released 
As the FCC’s RDOF and MF-II demonstrated, there is a possibility federal funding may be As the FCC’s RDOF and MF-II demonstrated, there is a possibility federal funding may be 
misallocated to areas that already meet the 25/3 Mbps broadband service minimum using current misallocated to areas that already meet the 25/3 Mbps broadband service minimum using current 
maps, potentially limiting the ability to provide broadband to unserved and underserved maps, potentially limiting the ability to provide broadband to unserved and underserved 
communities. Using the current FCC maps may potentially limit the effectiveness of new federal communities. Using the current FCC maps may potentially limit the effectiveness of new federal 
broadband programs focused on addressing the digital divide that were enacted in CAA 2021 broadband programs focused on addressing the digital divide that were enacted in CAA 2021 
(P.L. 116-260) and the American Rescue Plan Act of 2021 (P.L. 117-2).  (P.L. 116-260) and the American Rescue Plan Act of 2021 (P.L. 117-2).  
For example, Section 905 of CAA 2021 provided $300 million to the National 
For example, Section 905 of CAA 2021 provided $300 million to the National 
Telecommunications and Information Administration for grants to support broadband Telecommunications and Information Administration for grants to support broadband 
infrastructure deployment to areas lacking broadband, especially rural areas.55 Section 905 of infrastructure deployment to areas lacking broadband, especially rural areas.55 Section 905 of 
CAA 2021 states,  CAA 2021 states,  
The term “eligible service area” means a census block in which broadband service is not 
The term “eligible service area” means a census block in which broadband service is not 
available at 1 or more households or businesses in the census block, as determined by the available at 1 or more households or businesses in the census block, as determined by the 
Assistant Secretary on the basis of—(A) the maps created under section 802(c)(1) of the Assistant Secretary on the basis of—(A) the maps created under section 802(c)(1) of the 
Communications  Act  of  1934  (47  U.S.C.  642(c)(1));56  or  (B)  if  the  maps  described  in Communications  Act  of  1934  (47  U.S.C.  642(c)(1));56  or  (B)  if  the  maps  described  in 
subparagraph (A) are not available, the most recent information available to the Assistant subparagraph (A) are not available, the most recent information available to the Assistant 
Secretary, including information provided by the Commission. Secretary, including information provided by the Commission. 
If the broadband maps required under the Broadband DATA Act are not available by the time 
If the broadband maps required under the Broadband DATA Act are not available by the time 
NTIA administers this grant program, CAA 2021 directs the NTIA to use the most recent NTIA administers this grant program, CAA 2021 directs the NTIA to use the most recent 
available information, including information provided by the FCC. While NTIA anticipates available information, including information provided by the FCC. While NTIA anticipates 
accepting grant applications for this program in summer 2021,57 the FCC has indicated new maps accepting grant applications for this program in summer 2021,57 the FCC has indicated new maps 
may not be available until 2022. This may lead the NTIA to have to rely on the FCC’s current may not be available until 2022. This may lead the NTIA to have to rely on the FCC’s current 
broadband mapping data to make funding decisions. A consideration for Congress is whether the broadband mapping data to make funding decisions. A consideration for Congress is whether the 
need for more granular and accurate data justifies withholding federal broadband funding until need for more granular and accurate data justifies withholding federal broadband funding until 
better maps are available or whether the goal of closing the digital divide is so pressing that better maps are available or whether the goal of closing the digital divide is so pressing that 
funding should proceed using currently available maps. funding should proceed using currently available maps. 
                                                 
                                                 
webappviewer/index.html?id=72ab65f4ac2c4207abd1e575fa148cb4. webappviewer/index.html?id=72ab65f4ac2c4207abd1e575fa148cb4. 
53 North Carolina Broadband Infrastructure Office, 
53 North Carolina Broadband Infrastructure Office, 
Identification of Grant Eligible Locations, available at , available at 
https://nconemap.maps.arcgis.com/apps/webappviewer/index.html?id=72f01e944bde425ca07523d06a59c232. https://nconemap.maps.arcgis.com/apps/webappviewer/index.html?id=72f01e944bde425ca07523d06a59c232. 
54 Department of Commerce and Consumer Affairs, 
54 Department of Commerce and Consumer Affairs, 
Hawaii Internet Speed Map, available at https://cca.hawaii.gov/, available at https://cca.hawaii.gov/
broadband/speedmap/. broadband/speedmap/. 
55 BroadbandUSA, 
55 BroadbandUSA, 
Overview of Consolidated Appropriations Act, 2021, available at https://broadbandusa.ntia.doc.gov/, available at https://broadbandusa.ntia.doc.gov/
resources/grant-programs. resources/grant-programs. 
56 47 U.S.C. 642(c)(1) refers to the broadband maps that are required to be created under the Broadband DATA Act.  
56 47 U.S.C. 642(c)(1) refers to the broadband maps that are required to be created under the Broadband DATA Act.  
57 BroadbandUSA, 57 BroadbandUSA, 
NTIA Grant Program: Broadband Infrastructure Webinar, Session 1, available at , available at 
https://broadbandusa.ntia.doc.gov/node/7411. https://broadbandusa.ntia.doc.gov/node/7411. 
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Broadband Data and Mapping: Background and Issues for the 117th Congress 
 
Funding for Sustainability of Broadband Mapping 
The Broadband DATA Act contains specific timelines for the FCC to carry out the requirements The Broadband DATA Act contains specific timelines for the FCC to carry out the requirements 
of the act. The act requires the FCC to adopt final new mapping rules no later than September of the act. The act requires the FCC to adopt final new mapping rules no later than September 
2020––a deadline the FCC missed––which may have been due to lack of resources. Since the 2020––a deadline the FCC missed––which may have been due to lack of resources. Since the 
passage of the Broadband DATA Act, the FCC has highlighted the need for funding from passage of the Broadband DATA Act, the FCC has highlighted the need for funding from 
Congress in order to implement the provisions within the act. According to then-FCC Chairman Congress in order to implement the provisions within the act. According to then-FCC Chairman 
Ajit Pai: Ajit Pai: 
At  this  point,  it  is  vital  for  Congress  to  provide  the  FCC  as  soon  as  possible  with  the 
At  this  point,  it  is  vital  for  Congress  to  provide  the  FCC  as  soon  as  possible  with  the 
appropriations  necessary  to  implement  the  Act.  Right  now,  the  FCC  does  not  have  the appropriations  necessary  to  implement  the  Act.  Right  now,  the  FCC  does  not  have  the 
funding  to  carry  out  the  Act,  as  we  have  warned  for  some  time.  And  given  the  Act’s funding  to  carry  out  the  Act,  as  we  have  warned  for  some  time.  And  given  the  Act’s 
prohibition  on  the  Universal  Service  Administrative  Company  performing  this  mapping prohibition  on  the  Universal  Service  Administrative  Company  performing  this  mapping 
work,  if  Congress  does  not  act  soon,  this  well-intentioned  legislation  will  have  the work,  if  Congress  does  not  act  soon,  this  well-intentioned  legislation  will  have  the 
unfortunate effect of delaying rather than expediting the development of better broadband unfortunate effect of delaying rather than expediting the development of better broadband 
maps.58 maps.58 
The Consolidated Appropriations Act, 2021, P.L. 116-260, provided $98 million to implement the 
The Consolidated Appropriations Act, 2021, P.L. 116-260, provided $98 million to implement the 
Broadband DATA Act. Congress may consider how much in additional appropriations might be Broadband DATA Act. Congress may consider how much in additional appropriations might be 
required to establish the maps and sustain the mapping efforts annually. Additionally, Congress required to establish the maps and sustain the mapping efforts annually. Additionally, Congress 
may debate whether to leave this task to the FCC, such as in the Broadband—Measuring may debate whether to leave this task to the FCC, such as in the Broadband—Measuring 
Availability and Aligning Policies Task Force Act (H.R. 1044), introduced on February 15, 2021, Availability and Aligning Policies Task Force Act (H.R. 1044), introduced on February 15, 2021, 
which would require the FCC to establish a task force that oversees implementation and use which would require the FCC to establish a task force that oversees implementation and use 
of the broadband maps, including providing cost estimates for maintaining the maps. of the broadband maps, including providing cost estimates for maintaining the maps. 
Frequency of Updates 
The FCC collects data from broadband service providers every six months through Form 477, and The FCC collects data from broadband service providers every six months through Form 477, and 
updates the Fixed Broadband Deployment Map twice a year. However, the Fixed Broadband updates the Fixed Broadband Deployment Map twice a year. However, the Fixed Broadband 
Deployment Map’s data lags approximately a year and a half behind. (See the report section Deployment Map’s data lags approximately a year and a half behind. (See the report section 
“Real-Time Deployments”). The Broadband DATA Act requires the Broadband Serviceable ). The Broadband DATA Act requires the Broadband Serviceable 
Location Fabric to be updated, at a minimum, every six months. A consideration for Congress Location Fabric to be updated, at a minimum, every six months. A consideration for Congress 
may be whether the Fixed Broadband Deployment Map could be updated more frequently (e.g., may be whether the Fixed Broadband Deployment Map could be updated more frequently (e.g., 
data could be collected every month) to reflect continuing network changes and, if so, whether data could be collected every month) to reflect continuing network changes and, if so, whether 
that would impose a significant burden on broadband service providers.  that would impose a significant burden on broadband service providers.  
Concluding Observations 
Broadband mapping has garnered congressional interest since the creation of the SBI under the Broadband mapping has garnered congressional interest since the creation of the SBI under the 
Broadband Data Improvement Act (P.L. 110-385) and introduction of the NTIA’s National Broadband Data Improvement Act (P.L. 110-385) and introduction of the NTIA’s National 
Broadband Map. Congressional interest in mapping accuracy remains high due to the potential Broadband Map. Congressional interest in mapping accuracy remains high due to the potential 
misallocation of federal assistance funds using current FCC maps.  misallocation of federal assistance funds using current FCC maps.  
The enactment of the Broadband DATA Act is a step forward in obtaining more granular and 
The enactment of the Broadband DATA Act is a step forward in obtaining more granular and 
accurate broadband mapping data. As the new collection effort unfolds, Congress may take an accurate broadband mapping data. As the new collection effort unfolds, Congress may take an 
interest in monitoring: interest in monitoring: 
  whether the FCC broadband data collection effort appears sufficient to alleviate the 
  whether the FCC broadband data collection effort appears sufficient to alleviate the 
current broadband mapping issues,  
current broadband mapping issues,  
                                                 
                                                 
58 Federal Communications Commission, 58 Federal Communications Commission, 
Chairman Pai Statement on the Broadband DATA Act, March 24, 2020, , March 24, 2020, 
available https://docs.fcc.gov/public/attachments/DOC-363267A1.pdf. available https://docs.fcc.gov/public/attachments/DOC-363267A1.pdf. 
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Broadband Data and Mapping: Background and Issues for the 117th Congress 
 
  the balance between waiting on distribution of federal funding (e.g., new federal 
  the balance between waiting on distribution of federal funding (e.g., new federal 
broadband programs established within CAA 2021 or ARPA) until the map is determined 
broadband programs established within CAA 2021 or ARPA) until the map is determined 
accurate versus the continuing need to address the digital divide, and  accurate versus the continuing need to address the digital divide, and  
  whether additional legislative action should be taken to incorporate other variables into 
  whether additional legislative action should be taken to incorporate other variables into 
the data collection and mapping efforts.  
the data collection and mapping efforts.  
 
 
Author Information 
 
 Colby Leigh Rachfal Colby Leigh Rachfal 
   
   
Analyst in Telecommunications Policy 
Analyst in Telecommunications Policy         
 
 
 
Disclaimer  
This document was prepared by the Congressional Research Service (CRS). CRS serves as nonpartisan 
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Congressional Research Service  
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